ArticleInternational journal of retina and vitreous2025
Remote web-based self-assessment of visual acuity versus ETDRS in patients with macular diseases: a method comparison study.
Article in International journal of retina and vitreous, 2025. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 2 papers.
What it found
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Who cites it
2 citing papers in PubMed.
- An economic analysis of postoperative cataract consultation using remote self-assessment.PLOS digital health · 2026Article
- Stakeholders' perspectives on a digital myopia screening program in children: a qualitative analysis.Frontiers in ophthalmology · 2025Article
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Authors and funding
6 authors.
Funding
Abstract
backgroundMacular diseases (MD) lead to frequent clinic visits, involve time-consuming visual acuity (VA) measurements by professionals. Independent home measurements could improve efficiency. This study evaluates the agreement of a web-based test in MD compared to in-hospital measurements.
methodsAdults with MD were included at the University Medical Center Utrecht in March-July 2023. Users need a phone, computer, and 3m distance. The test uses Tumbling-E and triangles as optotypes. Primary outcome is the web-based vs. ETDRS Distance Visual Acuity (DVA). Secondary outcomes were test-retest variability (TRV), near visual acuity (NVA), and the Amsler grid. Outcomes were reported in mean differences and 95% Limits of Agreement (LoA).
results89 eyes were included. The DVA mean difference was 0.03LogMAR(1.5 letters), SD0.17, LoA - 0.31;0.36LogMAR(-15.5;18 letters), TRV had a mean difference of 0.03(1.5 letters) SD0.14. The NVA mean difference was 0.13(6.5 letter) SD0.24, positive- and negative predictive values 0.93(95%CI = 0.82;0.98) and 0.71(95%CI = 0.51;0.86) respectively.
conclusionsThe agreement of the DVA web-based test is on par with Snellen line assessment and subpar to ETDRS. We showed that elderly can perform this test independently at home, providing a time- and cost-saving opportunity. Developments should focus on the NVA since it can be a valuable adjunct to MD follow-up.
trial registrationthe Dutch Medical Ethical committee (Medisch Ethische Toetsingscommissie; METC NedMec) registration number: 22-879/DB. Approved at 27-09-2022.
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Registered trials
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